Keep your computer and sensors ready for every ride with replacement batteries
Key features:
- CR2032 battery is used for most Trek and Bontrager computers
- 23AE battery is used for the Bontrager Interchange Analog Wireless Sensor
- LR44 and L1154 batteries are identical and used in Bontrager SpeedTrap Sensor

The K-EDGE co-polymer insert for Garmin 1/4 Turn style computers is a replaceable item. While it is extremely strong, we designed this insert to fail on a significant impact before the tabs on the back of the Garmin break.
- Qty 1 – K-EDGE Co-polymer Insert for Garmin 1/4 Computer (Part No. K13-503)
- Qty 2 – M3 x 0.5mm x 6mm with Pre-Applied Nylon 180,18-8 S.S. Screws

Get your computer dialed with the perfect magnet
Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride.
- Universal crank magnets sized for your bike and sensor
- Compatible with all cadence sensors

Get your computer dialed with the perfect magnet
Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride.
- Universal crank magnets sized for your bike and sensor
- Compatible with all cadence sensors

Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride.
Key features:
- Universal crank magnets work with any cadence sensor
- Get the perfectly sized magnet, sized right for your bike and sensor
- 20mm cadence magnet improves signal for wider gaps between crank and sensor

Get the most out of your ride with the addition of speed and cadence. Whether you are a weekend warrior or data junkie we’ve got you covered.
Features
- Sensor magnet kit for RideSense speed and cadence sensors
Kit includes:
- RideSense speed magnet
- RideSense cadence magnet

The cadence magnet pedal insert is designed for tight installation situations. The principle is simple, yet space-saving: the power magnet attaches to any steel pedal spindle by magnetic force alone. From there, it triggers the cadence transmitter with each crank revolution.

Why Buy From Us: Free In-store pickup Shop Locally Bicycle Service

Tony's Bicycles

Tony's Bicycles, Inc. was founded in the early 1970's with two things in mind; value and service. Tony, the founder of Tony's Bicycles, Inc. has been in the bike industry for the better part of his life and has the experience to answer any question with utmost accuracy to get you rolling- fast!